noun-someone who based on outside appearance looks as if they would be nasty at the sport of lacrosse (meaning they have the proper flow, wear rainbows, stunner shades, and in some occasions sport a fake tan.) But for some unknown reason can not play the greatest sport known to man to save his life.

lax bro 1- Did you see that kid miss a wide open goal?
lax bro 2- Yeah Brah, he is a total lax scrub.